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Open Source

Top GitHub repositories across AI, infrastructure, and developer tools — sorted by stars, updated within the last 2 years. Search for anything to find the most popular open source projects to learn from or contribute to.

Search by— full-text search across repo names and descriptions

LLMs & Foundation Models

Open source large language models, inference engines, and training frameworks.

morluto/rea

Reverse engineer anything with agents, from app behavior down to native binaries.

agent-skillsai-agentsbinary-analysis
390,15597,750TypeScriptOct 26, 2026

affaan-m/ECC

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

ai-agentsanthropicclaude
289,53142,889JavaScriptOct 26, 2026

NousResearch/hermes-agent

The agent that grows with you

aiai-agentai-agents
257,32756,368PythonOct 26, 2026

firecrawl/firecrawl

Supercharge your AI agents with data from the web and beyond. Building the library for superintelligence. 🔥

aiai-agentsai-crawler
195,59310,321TypeScriptOct 26, 2026

Significant-Gravitas/AutoGPT

AutoGPT is the vision of accessible AI for everyone, to use and to build on. Our mission is to provide the tools, so that you can focus on what matters.

agentic-aiagentsai
187,77145,903PythonOct 26, 2026

ollama/ollama

Get up and running with Kimi, GLM, MiniMax, DeepSeek, gpt-oss, Qwen, Gemma and other models.

deepseekgemmagemma3
184,86418,604GoOct 26, 2026

DietrichGebert/ponytail

Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.

agent-skillsai-agentsclaude
176,8959,669JavaScriptOct 18, 2026

f/prompts.chat

f.k.a. Awesome ChatGPT Prompts. Share, discover, and collect prompts from the community. Free and open source — self-host for your organization with complete privacy.

aiartificial-intelligenceawesome-list
174,64822,311HTMLOct 26, 2026

huggingface/transformers

🤗 Transformers: the model-definition framework for state-of-the-art machine learning models in text, vision, audio, and multimodal models, for both inference and training.

audiodeep-learningdeepseek
168,19834,998PythonOct 26, 2026

AI Agents & Agentic Frameworks

Frameworks for building autonomous AI agents, multi-agent systems, and agentic workflows.

NousResearch/hermes-agent

The agent that grows with you

aiai-agentai-agents
257,32756,368PythonOct 26, 2026

Panniantong/Agent-Reach

Give your AI agent eyes to see the entire internet. Read & search Twitter, Reddit, YouTube, GitHub, Bilibili, XiaoHongShu — one CLI, zero API fees.

agent-infrastructureai-agentai-search
103,2169,153PythonOct 25, 2026

shareAI-lab/learn-claude-code

Bash is all you need - A nano claude code–like 「agent harness」, built from 0 to 1

agentagent-developmentai-agent
79,27212,677PythonSep 28, 2026

career-ops-hq/career-ops

Open-source AI job search agent and job finder: scan job boards, score each job 1-5 against your CV before you apply, tailor an ATS-friendly resume and cover letter, get interview prep and a job application tracker. It helps you fill in each application; you press Submit. Runs locally in your AI coding CLI (Claude Code, Codex, OpenCode and more).

agent-skillsai-agentai-job-search
77,53314,340JavaScriptOct 26, 2026

thedaviddias/Front-End-Checklist

🗂 The essential checklist for modern web development, for humans and AI agents

ai-agentai-agentschecklist
74,5696,763MDXOct 6, 2026

hugohe3/ppt-master

AI turns documents or topics into real, native PowerPoint decks—with native shapes, transitions and animations, data-backed charts and tables on demand, audio narration from speaker notes, and support for your own .pptx templates. · by Hugo He

ai-agentaipptoffice
68,8595,373PythonOct 24, 2026

ZhuLinsen/daily_stock_analysis

LLM 驱动的多市场股票智能分析系统:多源行情、实时新闻、决策看板与自动推送,支持零成本定时运行。 LLM-powered multi-market stock analysis system with multi-source market data, real-time news, decision dashboard, automated notifications, and cost-free scheduled runs.

a-stockai-agentaigc
67,10355,659PythonOct 25, 2026

bojieli/ai-agent-book

《深入理解 AI Agent:设计原理与工程实践》(李博杰 著)开源主仓库:全书正文、编译版 PDF 与按章配套代码

agentagent-memoryai-agent
55,9836,423PythonOct 8, 2026

CherryHQ/cherry-studio

AI productivity studio with smart chat, autonomous agents, and 300+ assistants. Unified access to frontier LLMs

agent-skillsai-agentclaude-code
53,0015,132TypeScriptOct 26, 2026

Vector Databases & RAG

Vector stores, embedding tools, and retrieval-augmented generation libraries.

Mintplex-Labs/anything-llm

Stop renting your intelligence. Own it with AnythingLLM. Everything you need for a powerful local-first agent experience

agent-computeragent-harnessagent-orchestration
67,5887,595JavaScriptOct 26, 2026

meilisearch/meilisearch

A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.

aiapiapp-search
59,6782,759RustOct 26, 2026

pathwaycom/serviette

A no-code RAG server that keeps answers in sync with your documents. Works with 8 vector databases. Built on Pathway.

chromadbdocument-qadocument-search
58,7611,525PythonOct 16, 2026

run-llama/llama_index

LlamaIndex is the document processing platform for AI

agentsapplicationdata
52,6728,439PythonOct 23, 2026

milvus-io/milvus

Milvus is a high-performance, cloud-native vector database built for scalable vector ANN search

annscloud-nativediskann
46,4864,315GoOct 26, 2026

volcengine/OpenViking

Self-evolving Context Database for AI Agents. Unify Agent Memory, Knowledge RAG and Skills.

agent-contextagent-memoryagent-plugins
40,8813,313PythonOct 26, 2026

VectifyAI/PageIndex

📑 PageIndex: Document Index for Vectorless, Reasoning-based RAG

agentic-aiagentsai
39,7723,431PythonOct 26, 2026

qdrant/qdrant

Qdrant - High-performance, massive-scale Vector Database and Vector Search Engine for the next generation of AI. Also available in the cloud https://cloud.qdrant.io/

ai-searchai-search-engineembeddings-similarity
35,2612,779RustOct 26, 2026

topoteretes/cognee

Cognee is the open-source AI memory platform for agents. Give your AI agents persistent long-term memory with small models for free

agent-memoryagent-skillsai
32,7763,420PythonOct 26, 2026

ML Infrastructure & MLOps

Tools for training, deploying, monitoring, and operating machine learning systems at scale.

GokuMohandas/Made-With-ML

Learn how to develop, deploy and iterate on production-grade ML applications.

data-engineeringdata-qualitydata-science
49,8317,812Jupyter NotebookMar 4, 2026

apache/airflow

Apache Airflow - A platform to programmatically author, schedule, and monitor workflows

airflowapacheapache-airflow
47,28218,157PythonOct 26, 2026

qdrant/qdrant

Qdrant - High-performance, massive-scale Vector Database and Vector Search Engine for the next generation of AI. Also available in the cloud https://cloud.qdrant.io/

ai-searchai-search-engineembeddings-similarity
35,2612,779RustOct 26, 2026

HumanSignal/label-studio

Label Studio is a multi-type data labeling and annotation tool with standardized output format

annotationannotation-toolannotations
28,5493,768TypeScriptOct 26, 2026

mlflow/mlflow

The open source AI engineering platform for agents, LLMs, and ML models. MLflow enables teams of all sizes to debug, evaluate, monitor, and optimize production-quality AI applications while controlling costs and managing access to models and data.

agentopsagentsai
28,5426,534PythonOct 26, 2026

jina-ai/serve

☁️ Build multimodal AI applications with cloud-native stack

cloud-nativecncfdeep-learning
21,8542,239PythonMar 24, 2025

NirDiamant/agents-towards-production

End-to-end, code-first tutorials for building production-grade GenAI agents. From prototype to enterprise deployment.

agentagent-frameworkagentic-ai
21,7752,885Jupyter NotebookOct 26, 2026

EthicalML/awesome-production-machine-learning

A curated list of awesome open source libraries to deploy, monitor, version and scale your machine learning

awesomeawesome-listdata-mining
21,0402,617Oct 24, 2026

stas00/ml-engineering

Machine Learning Engineering Open Book

aidebugginggpus
19,6011,299PythonOct 26, 2026

GPU & High-Performance Compute

CUDA libraries, GPU programming tools, and high-performance inference runtimes.

Kubernetes & Cloud Native

Cloud-native tools, Kubernetes operators, service meshes, and CNCF ecosystem projects.

ClickHouse/ClickHouse

ClickHouse® is a real-time analytics database management system

aianalyticsbig-data
50,6139,168C++Oct 26, 2026

milvus-io/milvus

Milvus is a high-performance, cloud-native vector database built for scalable vector ANN search

annscloud-nativediskann
46,4864,315GoOct 26, 2026

Kong/kong

🦍 The API and AI Gateway

aiai-gatewayapi-gateway
44,3045,237LuaOct 19, 2026

pingcap/tidb

TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

agentagent-contextagent-memory
40,6806,278GoOct 26, 2026

rustfs/rustfs

RustFS is an open-source, S3-compatible high-performance object storage system supporting migration and coexistence with other S3-compatible platforms such as MinIO and Ceph.

ai-nativeai-storageamazon-s3
35,4021,622RustOct 26, 2026

zeromicro/go-zero

A cloud-native Go microservices framework with cli tool for productivity.

ai-nativeai-native-developmentcloud-native
33,4054,334GoOct 25, 2026

goharbor/harbor

An open source trusted cloud native registry project that stores, signs, and scans content.

cloud-nativecncfcncf-project
29,6145,398GoOct 26, 2026

alibaba/spring-cloud-alibaba

Spring Cloud Alibaba provides a one-stop solution for application development for the distributed solutions of Alibaba middleware.

alibabaalibaba-middlewarealibaba-oss
29,1678,468JavaOct 3, 2026

go-kratos/kratos

Your ultimate Go microservices framework for the cloud-native era.

aiarchitecturecloud-native
25,9924,179GoOct 26, 2026

Infrastructure as Code

Terraform, Crossplane, Pulumi, and tools for declarative infrastructure management.

bregman-arie/devops-exercises

Linux, Jenkins, AWS, SRE, Prometheus, Docker, Python, Ansible, Git, Kubernetes, Terraform, OpenStack, SQL, NoSQL, Azure, GCP, DNS, Elastic, Network, Virtualization. DevOps Interview Questions

ansibleawsazure
85,00420,430PythonDec 27, 2025

hashicorp/terraform

Terraform enables you to safely and predictably create, change, and improve infrastructure. It is a source-available tool that codifies APIs into declarative configuration files that can be shared amongst team members, treated as code, edited, reviewed, and versioned.

cloudcloud-managementgraph
50,19010,600GoOct 26, 2026

MichaelCade/90DaysOfDevOps

This repository started out as a learning in public project for myself and has now become a structured learning map for many in the community. We have 3 years under our belt covering all things DevOps, including Principles, Processes, Tooling and Use Cases surrounding this vast topic.

ansiblebackupcontainers
29,8606,769ShellJun 24, 2026

GoogleCloudPlatform/microservices-demo

Sample cloud-first application with 10 microservices showcasing Kubernetes, Istio, and gRPC.

gcpgkegoogle-cloud
21,09010,602GoOct 23, 2026

coder/coder

Secure environments for developers and their agents

agentsdev-toolsdevelopment-environment
17,1881,640GoOct 26, 2026

mikefarah/yq

yq is a portable command-line YAML, JSON, XML, CSV, TOML, HCL and properties processor

bashclicsv
16,1902,710GoOct 26, 2026

GoogleCloudPlatform/terraformer

CLI tool to generate terraform files from existing infrastructure (reverse Terraform). Infrastructure to Code

awscloudgcp
14,5411,838GoMar 16, 2026

semaphoreui/semaphore

Modern UI and powerful API for Ansible, Terraform/OpenTofu/Terragrunt, PowerShell and other DevOps tools.

ansibleawxci
14,3241,339GoOct 26, 2026

infracost/infracost

Cloud cost intelligence for engineers, AI coding agents, and CI/CD 💰📉 Shift FinOps Left!

awsazurecdk
12,589701GoOct 21, 2026

MCP & AI Tooling

Model Context Protocol servers, AI coding assistants, and the tooling layer for AI-native apps.

morluto/rea

Reverse engineer anything with agents, from app behavior down to native binaries.

agent-skillsai-agentsbinary-analysis
390,15597,750TypeScriptOct 26, 2026

affaan-m/ECC

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

ai-agentsanthropicclaude
289,53142,889JavaScriptOct 26, 2026

n8n-io/n8n

Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.

aiapisautomation
208,64961,253TypeScriptOct 26, 2026

langgenius/dify

Build Agentic workflows, RAG pipelines, with rich AI model and tool support on one collaborative workspace. Deploy on cloud, VPC, or self-hosted, so teams move from prototype to production without rebuilding the stack.

agentagentic-aiagentic-framework
159,60725,225PythonOct 26, 2026

Snailclimb/JavaGuide

Java 面试 & 后端通用面试指南,覆盖计算机基础、数据库、分布式、高并发、系统设计与 AI 应用开发

agentaicontext-engineering
159,26846,128JavaScriptOct 25, 2026

open-webui/open-webui

User-friendly AI Interface (Supports Ollama, OpenAI API, ...)

aillmllm-ui
156,82222,840PythonOct 26, 2026

farion1231/cc-switch

A cross-platform desktop All-in-One assistant for Claude Code, Codex, OpenCode, OpenClaw, Grok Build & Hermes Agent. Only official website: ccswitch.io

ai-toolsclaude-codecodex
148,9389,795RustOct 26, 2026

Graphify-Labs/graphify

Turn any codebase, with its docs, SQL schemas, configs, and PDFs, into a queryable knowledge graph. A /graphify skill for Claude Code, Cursor, Codex, and Gemini CLI: local deterministic AST parsing, every edge explained, no vector store.

ai-agentsantigravityast
135,92912,969PythonOct 26, 2026

browser-use/browser-use

Open-source Python library for AI browser agents, plus Browser Use Cloud: stealth browsers and a hosted agent API.

ai-agentsai-toolsbrowser-agent
119,19813,254PythonOct 24, 2026

Platform Engineering & DevOps

GitOps, CI/CD pipelines, internal developer platforms, and tools for platform teams.